How to Find a Fiat 500 Spare Key

Fiat's iconic 500 has become something of an iconic vehicle since its relaunch in 2007. Now the company has kicked into a larger offensive toward various powertrains, including a mild hybrid version.

Replacing the key fob battery on a Fiat 500 is straightforward and cost-effective. The Fiat main dealer will supply the key within 10 days.

Diagnosis of a Fault

The key fob has an electronic chip which communicates with the Fiat immobiliser system. This makes sure that only authorized vehicles are able to start the car. If the transponder chip inside the key fob is damaged, it will not be able to link up to the immobiliser unit which means your car won't start.

It is possible to repair a key fob that has been damaged, as long that the chip isn't physically damaged. A professional locksmith will use standard techniques used by dealers to repair the chip quickly.

It is possible to use an OBD scanner to determine whether your device is communicating with the receiver module. This is a simple process and can provide initial indications of the root cause. If the OBD scanner reports that there is no communication between the receiver and transmitter modules, it may be required for the fob's transceiver module to be replaced. This can be a costly option, and it's best left to an experienced locksmith.

Dead Coin Battery

A dead battery for the coin is the most common reason for the key fob not to function. It's simple fix that takes minutes. First, make sure that the key fob is in range of your vehicle. Then, press the "Lock" or "Unlock" button to test if it responds.

If the key fob is out of range, it might not respond at all or may only function intermittently. This could be a sign of a defective circuit board. It is recommended to consult your owner's guide for instructions on how you can reprogram the keyfob for this scenario.

You can replace the battery by pulling off the mechanical latch that is on the back of the fob (see the image below). Then, gently pry the edge of the battery holder away from the switch to remove the old battery. Put a brand new #CR2032 3-volt battery into the fob with the "+ side" facing the rear cover and the "- side" directed towards the rubber buttons.

Water Damage

The key fob is not waterproof, even though it has rubber seals to prevent water from getting inside the electronic chip. A splash of water from rain or washing cycle is likely to be acceptable, but submerging the key fob in pool or ocean water is likely to cause damage.

If the key fob is exposed to water and ceases to function the device will need to be reset. This process can be done by following the instructions in the owner's manual or by taking it to a professional auto locksmith or a fiat 500 key fob replacement dealer.

Another common reason a fob can stop working is if it's out of distance from your car. Key fobs generally have a range of about 30 feet, and if they're too far away from your car, it won't be able recognize them. For starters, try moving closer to your vehicle. If this doesn't work, then the battery for your key fob may need to be replaced. You can find battery replacement instructions for all automobiles on YouTube or in the owner's manual. If your key fob appears damaged and scratched, it's time to replace it.

Faulty Receiver Module

In the more modern versions of Fiat cars, you do not need a physical key to open the car or start it. They use a remote control that sends an wireless message to the car to switch the engine on and off. A locksmith can repair a broken keyfob. You will save time and money by entrusting the job to the experts. They can also program a brand new key for your Fiat.

When you are getting an additional key for your Fiat vehicle, you'll have to provide the locksmith details about your car over the phone. For instance, you will be required to give the year of production for your car and the model's name. This is crucial because the locksmith needs it to ensure that the new key works with the locks in place.

You will need to know that not all locksmiths are able to create replacement keys for Fiat vehicles. Choose a locksmith who has an established track record and expertise in the field. You can be certain that the key will work with your vehicle and you won't lose money.

Keys that are unpaired

If you have a keyfob that has isn't functioning, the main reason is an unresponsive coin battery. The key fob has metal clips that secure the battery in place and completes the circuit. When they wear out or loose, it could cause contact problems and no power. Replace the battery with a new one of the same size, voltage and specification, or a spare.

It is essential to dry out the key fob in case it has been submerged in liquid. Using isopropyl or electronic cleaner is a great method to accomplish this. It is also recommended to take out the battery and clean the circuit board and replace it prior to replacing.

Contacting locksmiths is the best option in case you cannot find an extra. A professional locksmith can reprogram a Fiat transponder key, without needing to look up the original keys. This is a much less expensive and faster solution than waiting for an authentic Fiat key to arrive from Italy. A professional locksmith will also have all the tools and equipment needed to complete the replacement as quickly as is possible.